Congressional Quarterly (CQ) Electronic Library includes many resources for the study of current and historical congressional and American government issues. The CQ Researcher is an invaluable source of background information on topical issues since 1991. The Global Researcher is similar to CQ Researcher but with an international orientation. CQ Weekly Report, available starting in 1983, reports in depth on congressional activities and political developments. Also included is the Politics in America, with information about members of congress and their districts. Additional online books are excellent references about U.S. politics, voting, congress and government.
Monitors societal change and studies growing complexity of American society by collecting data for comparative analysis used by legislators, policymakers, researchers, educators and others. National Opinion Research Center's principal funding from the National Science Foundation. Tools available to explore and save variables from comprehensive data sets, facilitate online analysis before extracting for use in statistical software package.
Inter-University Consortium for Political and Social Research (ICPSR) is the world's largest archive of digital social science data. ICPSR acquires, preserves, and distributes original research data. This site links to training and curricular material, and a database which provides access to publications based on ICPSR data holdings. More information on ICPSR and other social science data are available from the Social Science Data Service
The Latin American Public Opinion Project (LAPOP), hosted at Vanderbilt University, links to over 60 academic studies based on survey research conducted mainly in Latin America. The LAPOP surveys analyze citizen views on topics that range from system support and political tolerance, to citizen participation, local government, corruption, and views on authoritarianism. To date surveys have been conducted and are now being archived for: Bolivia, Colombia, Costa Rica, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru and Venezuela as well as for Madagascar, Israel and Albania.
“Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. We conduct public opinion polling, demographic research, content analysis and other data-driven social science research. We do not take policy positions.”
“The Public Policy Institute of California (PPIC) is a nonprofit, nonpartisan think tank. We are dedicated to informing and improving public policy in California through independent, objective, nonpartisan research."
The Roper Center for Public Opinion Research is an archive of social science data, specializing in data from public opinion surveys. The Roper Center holds polling data ranging from the 1930s to the present and over 22,000 datasets adding hundreds more each year.